Key



u. lNsUA KEY Aug. 10 1926. 1,595,158

Filed sept. 17, i925 nel. y v

311mm x hw Urbano Insa u. Hmmm,

Patented Aug. 10, 1926.

UNITED! sTA'rns URBANO INSA, 0F CAMPANA, ARGENTINA.

KEY.

Application filed September 17, 1925, Serial My present inventionrelates to certain improvements in keys, its main object being toprovide a new form of key composed of two or more elements capable ofbeing easily put together, which key can only be used when all itselements are assembled.

The present invention has been clearly shown in the appended drawings byWay oil example, although it is to be clearly understood that it is inno Way limited to the specific form shown and that it may be applied toall kinds and types of keys.

In the said drawings, Figure 1- is a front View of a key according` tomy present invention and Figure 2 is an edge View of the same.

According to my present invention the key is formed of tivo portions orsections a and o which may be placed one into thev other to forni Whenassembled, a complete key which can only be used when in this condition.lt Will be observed that the outer member a embodies an open or skeletonhead and a bifurcated or longitudinallyslotted shank; and that the innermember b emb dies head ane shank portions which lit coniormably in thehead opening and bifui-cation or slot of the outer member, respectively.Both members lie Wholly in a common plane and have their shanks providedat their free outer ends With suitable wards, the shank on the innermember pro- 1\To.,56,996, and in Argentina June 15, 1925.

jecting axially beyond the outer end of the bifurcation or slot of theouter member.

Each section of the key according to my present invention may be kept bydifferent persons, so that in order to open or close the correspondinglock, the presence of all these persons will be necessary, which gives agreat security and control, particularly in the case of keys for safesor the like.

Having now 'ully described and ascertained the nature of my presentinvention and in what manner the same is to be carried into practice, Ivdeclare that What I claim and desire to protect by Letters Patent is:

l. A key, comprising an outer member embodying an open or skeleton headand a longitudinally slotted shank; and an inner member embodying` headand shank portions which iit, respectively, in the opening in the headand the slot in the shank of the outer member; both members lying Whollyin a common plane and having their shanks provided at their free outerends With Wards.

2. A key, according to claim 1, in which the Ashank of the inner memberprojects axially beyond the outer end of the slot in the shank of theouter member.

In testimony whereof I aix my signature.

URBANO INSUA.

